Using COc1cccc(Nc2cc(N(C)C)nc(N3CCNCC3)n2)c1, O=Cc1ccccc1 to produce COc1cccc(Nc2cc(N(C)C)nc(N3CCN(Cc4ccccc4)CC3)n2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.