Using Cc1nc(-c2cn3c(n2)-c2ccc(-c4ccnn4C4CCCNC4)cc2OCC3)n(C(C)C)n1, CCOC(=O)C(C)(C)Br to produce CCOC(=O)C(C)(C)N1CCCC(n2nccc2-c2ccc3c(c2)OCCn2cc(-c4nc(C)nn4C(C)C)nc2-3)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.