Using Nc1ccc2[nH]c(=O)oc2c1, O=C(Nc1ccc(Cl)cc1)Nc1nc2ccc(C(=O)O)cc2s1 to produce O=C(Nc1ccc(Cl)cc1)Nc1nc2ccc(C(=O)Nc3ccc4[nH]c(=O)oc4c3)cc2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.