Using Cc1ccc2c(c1)c1c(n2CC(OS(C)(=O)=O)c2ccncc2)CCN(C)C1, O=C(O)c1ccncc1 to produce Cc1ccc2c(c1)c1c(n2CC(OC(=O)c2ccncc2)c2ccncc2)CCN(C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.