Using COc1cccc(C2(c3ncc(C(=O)NC(C)(C)CO)cn3)CCN(Cc3ccccc3)CC2)c1 to produce COc1cccc(C2(c3ncc(C4=NC(C)(C)CO4)cn3)CCN(Cc3ccccc3)CC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.