Using O=C(O)c1cccc2c(-c3ccccc3)n(Cc3ccccc3)nc12, CNOC to produce CON(C)C(=O)c1cccc2c(-c3ccccc3)n(Cc3ccccc3)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.