Using CCCC1CC(=O)N(CO)C1, Cc1cnc2cc(-c3ccccc3)nn2c1 to produce CCCC1CC(=O)N(Cc2c(-c3ccccc3)nn3cc(C)cnc23)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.