Using CCOC(=O)c1c(CN(CC)CC)nc2sc3c(c2c1-c1ccc(OC)c(OC)c1)CCNC3 to produce CCOC(=O)c1c(CN(CC)CC)nc2sc3cnccc3c2c1-c1ccc(OC)c(OC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.