Using CCOC(C)=N, COc1cccc(C(=O)Nc2ccc(OCCN)c(-c3ccnn3C)c2)c1 to produce COc1cccc(C(=O)Nc2ccc(OCCNC(C)=N)c(-c3ccnn3C)c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.