Using COc1cc2c(cc1C)CCN(C)C2C1(c2ccccn2)CC1 to produce Cc1cc2c(cc1O)C(C1(c3ccccn3)CC1)N(C)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.