Using COC(=O)C(Cc1ccc2cc(-c3c(OC)cccc3OC)ccc2c1)NC(C)=O to produce COc1cccc(OC)c1-c1ccc2cc(CC(N)C(=O)O)ccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.