Using O=C1NC(=O)C(c2cn3c4c(cccc24)SCC3)=C1c1c[nH]c2ccccc12, O=S([O-])O to produce O=C1NC(=O)C(c2cn3c4c(cccc24)S(=O)(=O)CC3)=C1c1c[nH]c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.