Using CCCNC(=O)CC=Cc1ccc2c(c1)c(Cc1ccc(C(=O)OC)cc1OC)cn2CCC to produce CCCNC(=O)CCCc1ccc2c(c1)c(Cc1ccc(C(=O)OC)cc1OC)cn2CCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.