Using CC1CCCN1c1cccc(Nc2cc(-c3cccc(C=O)c3)nn3ccnc23)n1, C1CCNCC1 to produce CC1CCCN1c1cccc(Nc2cc(-c3cccc(CN4CCCCC4)c3)nn3ccnc23)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.