Using O=C(Cl)c1ccccc1, COCn1c(-c2ccncc2)cnc1-c1ccc(Cl)cc1 to produce COCn1c(-c2ccc(Cl)cc2)nc(C(=O)c2ccccc2)c1-c1ccncc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.