Using Nc1cccnc1, CN1CCN(S(=O)(=O)c2ccc(OCc3ccccc3)c(C(=O)O)c2)CC1 to produce CN1CCN(S(=O)(=O)c2ccc(OCc3ccccc3)c(C(=O)Nc3cccnc3)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.