Using COCOc1ccccc1-c1cc(C(=O)NC(=N)N)c2ccccc2n1 to produce N=C(N)NC(=O)c1cc(-c2ccccc2O)nc2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.