Using COC(=O)C(=O)c1cn2c3c(cccc13)CC2, NC(=O)Cc1c[nH]c2ccccc12 to produce O=C1NC(=O)C(c2cn3c4c(cccc24)CC3)=C1c1c[nH]c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.