Using COCn1c2c(c3cc(Cl)ccc31)CCC(C(C)(COC)S(=O)(=O)c1ccccc1)C2 to produce COCC(C)(C1CCc2c([nH]c3ccc(Cl)cc23)C1)S(=O)(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.