Using CN(CCc1nc(-c2ccccc2)c(-c2ccc(S(N)(=O)=O)cc2)o1)C(=O)OCc1ccccc1 to produce CNCCc1nc(-c2ccccc2)c(-c2ccc(S(N)(=O)=O)cc2)o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.