Using COCn1c(=O)c2c(c3ccc(C(C)N(C)C)cc31)NCCC2 to produce CC(c1ccc2c3c(c(=O)[nH]c2c1)CCCN3)N(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.