Using Nc1nc(N2CCNCC2)nc2nc(-c3ccco3)nn12, O=Cc1ccccn1 to produce Nc1nc(N2CCN(Cc3ccccn3)CC2)nc2nc(-c3ccco3)nn12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.