Using O=C(Cl)CCCCC(=O)Cl, Cc1cccc(C)c1O to produce Cc1cc(C(=O)CCCCC(=O)c2cc(C)c(O)c(C)c2)cc(C)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.