Using COc1ccc(OC)c(P2C(C)(C)CC(=O)CC2(C)C)c1-c1c(C(C)C)cc(C(C)C)cc1C(C)C to produce COc1ccc(OC)c(P2C(C)(C)CCCC2(C)C)c1-c1c(C(C)C)cc(C(C)C)cc1C(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.