Using COc1ccc(-c2cc(CCC(=O)O)no2)cc1, NCCCNc1n[nH]c(=O)c2ccccc12 to produce COc1ccc(-c2cc(CCC(=O)NCCCNc3n[nH]c(=O)c4ccccc34)no2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.