Using NCCCNCCCNCc1cc(CNCCCNCCCN)cc(-c2ccccc2)c1, CC(C)C=O to produce CC(C)CNCCCNCCCNCc1cc(CNCCCNCCCNCC(C)C)cc(-c2ccccc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.