Using CCOC(=O)c1cc2c(=O)c3cc(C4(C)CO4)ccc3oc2nc1N to produce CCOC(=O)c1cc2c(=O)c3cc(C(C)CO)ccc3oc2nc1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.