Using [NH4+], CCOC(=O)c1ccc(C(O)Cn2c3c(c4cc(C)ccc42)CN(C)CC3)cc1 to produce Cc1ccc2c(c1)c1c(n2CC(O)c2ccc(C(N)=O)cc2)CCN(C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.