Using COC(=O)CC1=CS(=O)(=O)c2cc(N(C)S(C)(=O)=O)ccc2N1C(=O)OC(C)(C)C to produce CN(c1ccc2c(c1)S(=O)(=O)C=C(CC(=O)O)N2)S(C)(=O)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.