Using CC(=O)OC1=C(c2nnc(C)o2)N(C)S(=O)(=O)c2ccccc21 to produce Cc1nnc(C2=C(O)c3ccccc3S(=O)(=O)N2C)o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.