Using COc1cc(N)c(C(N)=O)c(OC)c1, CCOC(=O)CCc1ccc(C=O)cc1 to produce CCOC(=O)CCc1ccc(-c2nc3cc(OC)cc(OC)c3c(=O)[nH]2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.