Using COc1cc(CNC(=O)c2[nH]c3ccc(Cl)cc3c2S(=O)(=O)c2ccccc2)ccn1 to produce O=C(NCc1cc[nH]c(=O)c1)c1[nH]c2ccc(Cl)cc2c1S(=O)(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.