Using O=C1CCCCC1n1nc(-c2c(-c3ccccc3)nn3ccccc23)ccc1=O, NNC(N)=O to produce NC(=O)NN=C1CCCCC1n1nc(-c2c(-c3ccccc3)nn3ccccc23)ccc1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.