Using c1ccc(C2CCNCC2)cc1, O=CC12CC(c3ccccc31)c1ccccc12 to produce c1ccc(C2CCN(CC34CC(c5ccccc53)c3ccccc34)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.