Using CCCOc1ccccc1-c1nc(N)c(N)c(=O)[nH]1, O=CC=O to produce CCCOc1ccccc1-c1nc2nccnc2c(=O)[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.