Using CC(C)(C)OC(=O)N1CCC(n2ncc3cc(O)ccc32)CC1, CCOC(=O)CBr to produce CCOC(=O)COc1ccc2c(cnn2C2CCN(C(=O)OC(C)(C)C)CC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.