Using ClCc1coc(-c2ccccc2)n1, CCOC(=O)C(Cc1ccc(O)c(C)c1)OCC to produce CCOC(=O)C(Cc1ccc(OCc2coc(-c3ccccc3)n2)c(C)c1)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.