Using COc1cc2cc(COC(C)=O)c(COC(C)=O)c(-c3ccnc(C4C(=O)CCCC4=O)c3)c2cc1OC to produce COc1cc2cc(CO)c(CO)c(-c3ccnc(C4C(=O)CCCC4=O)c3)c2cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.