Using CC(C)(C)OC(=O)N(CCO)CCN1CCSc2ccc(NC(=N)c3cccs3)cc21 to produce N=C(Nc1ccc2c(c1)N(CCNCCO)CCS2)c1cccs1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.