Using CNC(=O)OCC(COc1noc2ccc(Cl)cc12)NC(=O)OC(C)(C)C to produce CNC(=O)OCC(N)COc1noc2ccc(Cl)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.