Using O=C1NC(=O)c2ccccc21, OCC1Cc2ccc3c(c2O1)CCC3 to produce O=C1c2ccccc2C(=O)N1CC1Cc2ccc3c(c2O1)CCC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.