Using N=C(N)N, O=C(O)Cn1c(C(=O)c2ccccc2)ccc1-c1ccccc1 to produce N=C(N)NC(=O)Cn1c(C(=O)c2ccccc2)ccc1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.