Using COCCn1c(=O)c2cnccc2c2ccc(OC[C@H](CC(C)C)NC(=O)OC(C)(C)C)cc21 to produce COCCn1c(=O)c2cnccc2c2ccc(OC[C@@H](N)CC(C)C)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.