Using O=C(O)C(O)Cc1ccc(OCCCOc2ccc(-c3ccccc3)cc2)cc1Cl, CCI to produce CCOC(Cc1ccc(OCCCOc2ccc(-c3ccccc3)cc2)cc1Cl)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.