Using Cc1ccncc1I, O=C1NCCc2c1c1cc(F)ccc1n2S(=O)(=O)c1ccccc1 to produce Cc1ccncc1N1CCc2c(c3cc(F)ccc3n2S(=O)(=O)c2ccccc2)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.