Using COc1ccc(N)cc1, O=C(O)c1c[nH]c2c1C(=O)CCC2 to produce COc1ccc(NC(=O)c2c[nH]c3c2C(=O)CCC3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.