Using CC(=O)OC(C)=O, N=C(CCn1c(Cn2nnc3ccccc32)nc2ccccc21)NO to produce N=C(N)CCn1c(Cn2nnc3ccccc32)nc2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.