Using COC(=O)N/C=C(/C[C@H](NC(=O)OC)C(=O)OC)NC(=O)OC to produce COC(=O)NCC(C[C@H](NC(=O)OC)C(=O)OC)NC(=O)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.