Using CCCn1c(=O)c2c(N)n(CC(=O)c3cccc(OC)c3)nc2n(Cc2ccccc2)c1=O to produce CCCn1c(=O)c2c(nn3cc(-c4cccc(OC)c4)[nH]c23)n(Cc2ccccc2)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.