Using COC(=O)CCCCCN1CC(=O)Nc2ccc(NC(C)=O)cc2C1=O, O=C=NCc1ccccc1 to produce O=C(O)CCCCCN1CC(=O)Nc2ccc(NC(=O)NCc3ccccc3)cc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.