Using COC/C=C/c1cccc2c1OCCN(C(=O)OC(C)(C)C)C2 to produce COCCCc1cccc2c1OCCN(C(=O)OC(C)(C)C)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.