Using COc1ccc(N=C=S)cc1, NCC1CCN(CC2COc3ccccc3O2)CC1 to produce COc1ccc(NC(=S)NCC2CCN(CC3COc4ccccc4O3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.