Using O=C(Cl)c1ccco1, C[Sn](C)(C)c1cc(N)c2cnn(S(=O)(=O)c3ccccc3)c2c1 to produce C[Sn](C)(C)c1cc(NC(=O)c2ccco2)c2cnn(S(=O)(=O)c3ccccc3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.