Using NC1=CCC2=c3[nH]c(=O)c(=O)[nH]c3=CC2=C1, O=C=Nc1ccccc1 to produce O=C(NC1=CCC2=c3[nH]c(=O)c(=O)[nH]c3=CC2=C1)Nc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.