Using O=C(NCCCC[C@H](NC(=O)c1ccccc1)C(=O)O)c1ccccc1 to produce O=C1OC(c2ccccc2)N=C1CCCCNC(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.