Using COc1cccc2sc(O[C@H]3CC[C@H](N)CC3)nc12, O=Cc1ccc2c(c1)NC(=O)CO2 to produce COc1cccc2sc(O[C@H]3CC[C@H](NCc4ccc5c(c4)NC(=O)CO5)CC3)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.