Using CC1(C)CCC(C)(C)c2cc(-c3csc(N4CCNCC4)n3)ccc21, CCOC(=O)CCCBr to produce CC1(C)CCC(C)(C)c2cc(-c3csc(N4CCN(CCCC(=O)O)CC4)n3)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.