Using CCCCn1nc(C(C)C)c(O)c(C2=Nc3ccc(OC)cc3S(=O)(=O)N2)c1=O to produce CCCCn1nc(C(C)C)c(O)c(C2=Nc3ccc(O)cc3S(=O)(=O)N2)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.