Using COC(=O)C1(COCc2ccc(OC)cc2)CN(c2c(C)cccc2C)C(=O)C1C to produce COC(=O)C1(CO)CN(c2c(C)cccc2C)C(=O)C1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.