Using CCCC(Oc1cccc(C(=O)OC)c1)c1cnc(-c2c(CC)cccc2CC)cc1OCC to produce CCCC(Oc1cccc(CO)c1)c1cnc(-c2c(CC)cccc2CC)cc1OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.