Using O=c1[nH]c2ccccc2o1, O=C(Cl)c1cc(Cl)ncn1 to produce O=C(c1ccc2[nH]c(=O)oc2c1)c1cc(Cl)ncn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.