Using O=CO, O=S(=O)(c1ccccc1)n1ccc2c1C(c1ccccc1)CNCC2 to produce CN1CCc2ccn(S(=O)(=O)c3ccccc3)c2C(c2ccccc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.