Using Nc1c(NC=O)c(=O)[nH]c(=O)n1Cc1ccc(Cl)cc1 to produce O=c1[nH]c(=O)n(Cc2ccc(Cl)cc2)c2nc[nH]c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.