Using O=CCc1cccc(C2CCN(C(=O)OCc3ccccc3)CC2)c1, O=P([O-])(O)O to produce O=C(O)Cc1cccc(C2CCN(C(=O)OCc3ccccc3)CC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.