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