Using COP(=O)(C[C@H]1CCN(C(=O)OCc2ccccc2)[C@@H](C(=O)O)C1)OC to produce COP(=O)(C[C@H]1CCN[C@@H](C(=O)O)C1)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.