Using CCCc1cc(CCC=O)nn1-c1ccccc1, Cc1ccc(N2CCNCC2)c(C)c1 to produce CCCc1cc(CCCN2CCN(c3ccc(C)cc3C)CC2)nn1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.