Using CC(C)(C)OC(=O)Nc1ccc(CC(CP(=O)(O)Cc2ccccc2)C(=O)O)cn1 to produce Nc1ccc(CC(CP(=O)(O)Cc2ccccc2)C(=O)O)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.