Using O=C(Cl)c1c(Cl)cc(Cl)cc1Cl, COc1ccc2c(c1)CCn1c-2cc(N)nc1=O to produce COc1ccc2c(c1)CCn1c-2cc(NC(=O)c2c(Cl)cc(Cl)cc2Cl)nc1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.