Using O=c1ccn(C2CCNCC2)nc1-c1ccnn1-c1ccccc1, CC(C)=O to produce CC(C)N1CCC(n2ccc(=O)c(-c3ccnn3-c3ccccc3)n2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.